Oilpan: Fix compile of GC_PROFILING build, and remove object graph dumper.

Source/platform/heap/MarkingVisitorImpl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MarkingVisitorImpl_h
 #define MarkingVisitorImpl_h
 
 #include "platform/heap/Heap.h"
 #include "platform/heap/ThreadState.h"
 #include "platform/heap/Visitor.h"
@@ skipping 27 matching lines @@
         if (header->isMarked())
             return;
 
 #if ENABLE(ASSERT)
         ASSERT(ThreadState::current()->isInGC());
         ASSERT(Heap::findPageFromAddress(header));
         ASSERT(toDerived()->markingMode() != Visitor::WeakProcessing);
 #endif
         header->mark();
 
-#if ENABLE(GC_PROFILING)
-        toDerived()->recordObjectGraphEdge(objectPointer);
-#endif
-
         if (callback)
             Heap::pushTraceCallback(const_cast<void*>(objectPointer), callback);
     }
 
     inline void mark(const void* objectPointer, TraceCallback callback)
     {
         if (!objectPointer)
             return;
         HeapObjectHeader* header = HeapObjectHeader::fromPayload(objectPointer);
         markHeader(header, header->payload(), callback);
@@ skipping 67 matching lines @@
 private:
     static void markNoTracingCallback(Visitor* visitor, void* object)
     {
         visitor->markNoTracing(object);
     }
 };
 
 } // namespace blink
 
 #endif